diff options
Diffstat (limited to 'drivers/staging/media/zoran/zoran_driver.c')
| -rw-r--r-- | drivers/staging/media/zoran/zoran_driver.c | 1039 |
1 files changed, 0 insertions, 1039 deletions
diff --git a/drivers/staging/media/zoran/zoran_driver.c b/drivers/staging/media/zoran/zoran_driver.c deleted file mode 100644 index 46382e43f1bf..000000000000 --- a/drivers/staging/media/zoran/zoran_driver.c +++ /dev/null @@ -1,1039 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Zoran zr36057/zr36067 PCI controller driver, for the - * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux - * Media Labs LML33/LML33R10. - * - * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> - * - * Changes for BUZ by Wolfgang Scherr <scherr@net4you.net> - * - * Changes for DC10/DC30 by Laurent Pinchart <laurent.pinchart@skynet.be> - * - * Changes for LML33R10 by Maxim Yevtyushkin <max@linuxmedialabs.com> - * - * Changes for videodev2/v4l2 by Ronald Bultje <rbultje@ronald.bitfreak.net> - * - * Based on - * - * Miro DC10 driver - * Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net> - * - * Iomega Buz driver version 1.0 - * Copyright (C) 1999 Rainer Johanni <Rainer@Johanni.de> - * - * buz.0.0.3 - * Copyright (C) 1998 Dave Perks <dperks@ibm.net> - * - * bttv - Bt848 frame grabber driver - * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@thp.uni-koeln.de) - * & Marcus Metzler (mocm@thp.uni-koeln.de) - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/pci.h> -#include <linux/wait.h> - -#include <linux/interrupt.h> -#include <linux/i2c.h> -#include <linux/i2c-algo-bit.h> - -#include <linux/spinlock.h> - -#include <linux/videodev2.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-event.h> -#include "videocodec.h" - -#include <linux/io.h> -#include <linux/uaccess.h> - -#include <linux/mutex.h> -#include "zoran.h" -#include "zoran_device.h" -#include "zoran_card.h" - -const struct zoran_format zoran_formats[] = { - { - .name = "15-bit RGB LE", - .fourcc = V4L2_PIX_FMT_RGB555, - .colorspace = V4L2_COLORSPACE_SRGB, - .depth = 15, - .flags = ZORAN_FORMAT_CAPTURE, - .vfespfr = ZR36057_VFESPFR_RGB555 | ZR36057_VFESPFR_ERR_DIF | - ZR36057_VFESPFR_LITTLE_ENDIAN, - }, { - .name = "15-bit RGB BE", - .fourcc = V4L2_PIX_FMT_RGB555X, - .colorspace = V4L2_COLORSPACE_SRGB, - .depth = 15, - .flags = ZORAN_FORMAT_CAPTURE, - .vfespfr = ZR36057_VFESPFR_RGB555 | ZR36057_VFESPFR_ERR_DIF, - }, { - .name = "16-bit RGB LE", - .fourcc = V4L2_PIX_FMT_RGB565, - .colorspace = V4L2_COLORSPACE_SRGB, - .depth = 16, - .flags = ZORAN_FORMAT_CAPTURE, - .vfespfr = ZR36057_VFESPFR_RGB565 | ZR36057_VFESPFR_ERR_DIF | - ZR36057_VFESPFR_LITTLE_ENDIAN, - }, { - .name = "16-bit RGB BE", - .fourcc = V4L2_PIX_FMT_RGB565X, - .colorspace = V4L2_COLORSPACE_SRGB, - .depth = 16, - .flags = ZORAN_FORMAT_CAPTURE, - .vfespfr = ZR36057_VFESPFR_RGB565 | ZR36057_VFESPFR_ERR_DIF, - }, { - .name = "24-bit RGB", - .fourcc = V4L2_PIX_FMT_BGR24, - .colorspace = V4L2_COLORSPACE_SRGB, - .depth = 24, - .flags = ZORAN_FORMAT_CAPTURE, - .vfespfr = ZR36057_VFESPFR_RGB888 | ZR36057_VFESPFR_PACK24, - }, { - .name = "32-bit RGB LE", - .fourcc = V4L2_PIX_FMT_BGR32, - .colorspace = V4L2_COLORSPACE_SRGB, - .depth = 32, - .flags = ZORAN_FORMAT_CAPTURE, - .vfespfr = ZR36057_VFESPFR_RGB888 | ZR36057_VFESPFR_LITTLE_ENDIAN, - }, { - .name = "32-bit RGB BE", - .fourcc = V4L2_PIX_FMT_RGB32, - .colorspace = V4L2_COLORSPACE_SRGB, - .depth = 32, - .flags = ZORAN_FORMAT_CAPTURE, - .vfespfr = ZR36057_VFESPFR_RGB888, - }, { - .name = "4:2:2, packed, YUYV", - .fourcc = V4L2_PIX_FMT_YUYV, - .colorspace = V4L2_COLORSPACE_SMPTE170M, - .depth = 16, - .flags = ZORAN_FORMAT_CAPTURE, - .vfespfr = ZR36057_VFESPFR_YUV422, - }, { - .name = "4:2:2, packed, UYVY", - .fourcc = V4L2_PIX_FMT_UYVY, - .colorspace = V4L2_COLORSPACE_SMPTE170M, - .depth = 16, - .flags = ZORAN_FORMAT_CAPTURE, - .vfespfr = ZR36057_VFESPFR_YUV422 | ZR36057_VFESPFR_LITTLE_ENDIAN, - }, { - .name = "Hardware-encoded Motion-JPEG", - .fourcc = V4L2_PIX_FMT_MJPEG, - .colorspace = V4L2_COLORSPACE_SMPTE170M, - .depth = 0, - .flags = ZORAN_FORMAT_CAPTURE | - ZORAN_FORMAT_PLAYBACK | - ZORAN_FORMAT_COMPRESSED, - } -}; - -#define NUM_FORMATS ARRAY_SIZE(zoran_formats) - - /* - * small helper function for calculating buffersizes for v4l2 - * we calculate the nearest higher power-of-two, which - * will be the recommended buffersize - */ -static __u32 zoran_v4l2_calc_bufsize(struct zoran_jpg_settings *settings) -{ - __u8 div = settings->ver_dcm * settings->hor_dcm * settings->tmp_dcm; - __u32 num = (1024 * 512) / (div); - __u32 result = 2; - - num--; - while (num) { - num >>= 1; - result <<= 1; - } - - if (result > jpg_bufsize) - return jpg_bufsize; - if (result < 8192) - return 8192; - - return result; -} - -/* - * V4L Buffer grabbing - */ -static int zoran_v4l_set_format(struct zoran *zr, int width, int height, - const struct zoran_format *format) -{ - int bpp; - - /* Check size and format of the grab wanted */ - - if (height < BUZ_MIN_HEIGHT || width < BUZ_MIN_WIDTH || - height > BUZ_MAX_HEIGHT || width > BUZ_MAX_WIDTH) { - pci_err(zr->pci_dev, "%s - wrong frame size (%dx%d)\n", __func__, width, height); - return -EINVAL; - } - - bpp = (format->depth + 7) / 8; - - zr->buffer_size = height * width * bpp; - - /* Check against available buffer size */ - if (height * width * bpp > zr->buffer_size) { - pci_err(zr->pci_dev, "%s - video buffer size (%d kB) is too small\n", - __func__, zr->buffer_size >> 10); - return -EINVAL; - } - - /* The video front end needs 4-byte alinged line sizes */ - - if ((bpp == 2 && (width & 1)) || (bpp == 3 && (width & 3))) { - pci_err(zr->pci_dev, "%s - wrong frame alignment\n", __func__); - return -EINVAL; - } - - zr->v4l_settings.width = width; - zr->v4l_settings.height = height; - zr->v4l_settings.format = format; - zr->v4l_settings.bytesperline = bpp * zr->v4l_settings.width; - - return 0; -} - -static int zoran_set_norm(struct zoran *zr, v4l2_std_id norm) -{ - - if (!(norm & zr->card.norms)) { - pci_err(zr->pci_dev, "%s - unsupported norm %llx\n", __func__, norm); - return -EINVAL; - } - - if (norm & V4L2_STD_SECAM) - zr->timing = zr->card.tvn[ZR_NORM_SECAM]; - else if (norm & V4L2_STD_NTSC) - zr->timing = zr->card.tvn[ZR_NORM_NTSC]; - else - zr->timing = zr->card.tvn[ZR_NORM_PAL]; - - decoder_call(zr, video, s_std, norm); - encoder_call(zr, video, s_std_output, norm); - - /* Make sure the changes come into effect */ - zr->norm = norm; - - return 0; -} - -static int zoran_set_input(struct zoran *zr, int input) -{ - if (input == zr->input) - return 0; - - if (input < 0 || input >= zr->card.inputs) { - pci_err(zr->pci_dev, "%s - unsupported input %d\n", __func__, input); - return -EINVAL; - } - - zr->input = input; - - decoder_call(zr, video, s_routing, zr->card.input[input].muxsel, 0, 0); - - return 0; -} - -/* - * ioctl routine - */ - -static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability *cap) -{ - struct zoran *zr = video_drvdata(file); - - strscpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)); - strscpy(cap->driver, "zoran", sizeof(cap->driver)); - snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", pci_name(zr->pci_dev)); - cap->device_caps = zr->video_dev->device_caps; - cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; - return 0; -} - -static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag) -{ - unsigned int num, i; - - if (fmt->index >= ARRAY_SIZE(zoran_formats)) - return -EINVAL; - if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - for (num = i = 0; i < NUM_FORMATS; i++) { - if (zoran_formats[i].flags & flag && num++ == fmt->index) { - strscpy(fmt->description, zoran_formats[i].name, - sizeof(fmt->description)); - /* fmt struct pre-zeroed, so adding '\0' not needed */ - fmt->pixelformat = zoran_formats[i].fourcc; - if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED) - fmt->flags |= V4L2_FMT_FLAG_COMPRESSED; - return 0; - } - } - return -EINVAL; -} - -static int zoran_enum_fmt_vid_cap(struct file *file, void *__fh, - struct v4l2_fmtdesc *f) -{ - struct zoran *zr = video_drvdata(file); - - return zoran_enum_fmt(zr, f, ZORAN_FORMAT_CAPTURE); -} - -#if 0 -/* TODO: output does not work yet */ -static int zoran_enum_fmt_vid_out(struct file *file, void *__fh, - struct v4l2_fmtdesc *f) -{ - struct zoran *zr = video_drvdata(file); - - return zoran_enum_fmt(zr, f, ZORAN_FORMAT_PLAYBACK); -} -#endif - -static int zoran_g_fmt_vid_out(struct file *file, void *__fh, - struct v4l2_format *fmt) -{ - struct zoran *zr = video_drvdata(file); - - fmt->fmt.pix.width = zr->jpg_settings.img_width / zr->jpg_settings.hor_dcm; - fmt->fmt.pix.height = zr->jpg_settings.img_height * 2 / - (zr->jpg_settings.ver_dcm * zr->jpg_settings.tmp_dcm); - fmt->fmt.pix.sizeimage = zr->buffer_size; - fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG; - if (zr->jpg_settings.tmp_dcm == 1) - fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? - V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT); - else - fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? - V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); - fmt->fmt.pix.bytesperline = 0; - fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - - return 0; -} - -static int zoran_g_fmt_vid_cap(struct file *file, void *__fh, - struct v4l2_format *fmt) -{ - struct zoran *zr = video_drvdata(file); - - if (zr->map_mode != ZORAN_MAP_MODE_RAW) - return zoran_g_fmt_vid_out(file, __fh, fmt); - fmt->fmt.pix.width = zr->v4l_settings.width; - fmt->fmt.pix.height = zr->v4l_settings.height; - fmt->fmt.pix.sizeimage = zr->buffer_size; - fmt->fmt.pix.pixelformat = zr->v4l_settings.format->fourcc; - fmt->fmt.pix.colorspace = zr->v4l_settings.format->colorspace; - fmt->fmt.pix.bytesperline = zr->v4l_settings.bytesperline; - if (BUZ_MAX_HEIGHT < (zr->v4l_settings.height * 2)) - fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; - else - fmt->fmt.pix.field = V4L2_FIELD_TOP; - return 0; -} - -static int zoran_try_fmt_vid_out(struct file *file, void *__fh, - struct v4l2_format *fmt) -{ - struct zoran *zr = video_drvdata(file); - struct zoran_jpg_settings settings; - int res = 0; - - if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) - return -EINVAL; - - settings = zr->jpg_settings; - - /* we actually need to set 'real' parameters now */ - if ((fmt->fmt.pix.height * 2) > BUZ_MAX_HEIGHT) - settings.tmp_dcm = 1; - else - settings.tmp_dcm = 2; - settings.decimation = 0; - if (fmt->fmt.pix.height <= zr->jpg_settings.img_height / 2) - settings.ver_dcm = 2; - else - settings.ver_dcm = 1; - if (fmt->fmt.pix.width <= zr->jpg_settings.img_width / 4) - settings.hor_dcm = 4; - else if (fmt->fmt.pix.width <= zr->jpg_settings.img_width / 2) - settings.hor_dcm = 2; - else - settings.hor_dcm = 1; - if (settings.tmp_dcm == 1) - settings.field_per_buff = 2; - else - settings.field_per_buff = 1; - - if (settings.hor_dcm > 1) { - settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; - settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; - } else { - settings.img_x = 0; - settings.img_width = BUZ_MAX_WIDTH; - } - - /* check */ - res = zoran_check_jpg_settings(zr, &settings, 1); - if (res) - return res; - - /* tell the user what we actually did */ - fmt->fmt.pix.width = settings.img_width / settings.hor_dcm; - fmt->fmt.pix.height = settings.img_height * 2 / - (settings.tmp_dcm * settings.ver_dcm); - if (settings.tmp_dcm == 1) - fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? - V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT); - else - fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? - V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); - - fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&settings); - zr->buffer_size = fmt->fmt.pix.sizeimage; - fmt->fmt.pix.bytesperline = 0; - fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - return res; -} - -static int zoran_try_fmt_vid_cap(struct file *file, void *__fh, - struct v4l2_format *fmt) -{ - struct zoran *zr = video_drvdata(file); - int bpp; - int i; - - if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) - return zoran_try_fmt_vid_out(file, __fh, fmt); - - for (i = 0; i < NUM_FORMATS; i++) - if (zoran_formats[i].fourcc == fmt->fmt.pix.pixelformat) - break; - - if (i == NUM_FORMATS) { - /* TODO do not return here to fix the TRY_FMT cannot handle an invalid pixelformat*/ - return -EINVAL; - } - - fmt->fmt.pix.pixelformat = zoran_formats[i].fourcc; - fmt->fmt.pix.colorspace = zoran_formats[i].colorspace; - if (BUZ_MAX_HEIGHT < (fmt->fmt.pix.height * 2)) - fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; - else - fmt->fmt.pix.field = V4L2_FIELD_TOP; - - bpp = DIV_ROUND_UP(zoran_formats[i].depth, 8); - v4l_bound_align_image(&fmt->fmt.pix.width, BUZ_MIN_WIDTH, BUZ_MAX_WIDTH, bpp == 2 ? 1 : 2, - &fmt->fmt.pix.height, BUZ_MIN_HEIGHT, BUZ_MAX_HEIGHT, 0, 0); - return 0; -} - -static int zoran_s_fmt_vid_out(struct file *file, void *__fh, - struct v4l2_format *fmt) -{ - struct zoran *zr = video_drvdata(file); - __le32 printformat = __cpu_to_le32(fmt->fmt.pix.pixelformat); - struct zoran_jpg_settings settings; - int res = 0; - - pci_dbg(zr->pci_dev, "size=%dx%d, fmt=0x%x (%4.4s)\n", - fmt->fmt.pix.width, fmt->fmt.pix.height, - fmt->fmt.pix.pixelformat, - (char *)&printformat); - if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) - return -EINVAL; - - if (!fmt->fmt.pix.height || !fmt->fmt.pix.width) - return -EINVAL; - - settings = zr->jpg_settings; - - /* we actually need to set 'real' parameters now */ - if (fmt->fmt.pix.height * 2 > BUZ_MAX_HEIGHT) - settings.tmp_dcm = 1; - else - settings.tmp_dcm = 2; - settings.decimation = 0; - if (fmt->fmt.pix.height <= zr->jpg_settings.img_height / 2) - settings.ver_dcm = 2; - else - settings.ver_dcm = 1; - if (fmt->fmt.pix.width <= zr->jpg_settings.img_width / 4) - settings.hor_dcm = 4; - else if (fmt->fmt.pix.width <= zr->jpg_settings.img_width / 2) - settings.hor_dcm = 2; - else - settings.hor_dcm = 1; - if (settings.tmp_dcm == 1) - settings.field_per_buff = 2; - else - settings.field_per_buff = 1; - - if (settings.hor_dcm > 1) { - settings.img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; - settings.img_width = (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; - } else { - settings.img_x = 0; - settings.img_width = BUZ_MAX_WIDTH; - } - - /* check */ - res = zoran_check_jpg_settings(zr, &settings, 0); - if (res) - return res; - - /* it's ok, so set them */ - zr->jpg_settings = settings; - - if (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) - zr->map_mode = ZORAN_MAP_MODE_JPG_REC; - else - zr->map_mode = ZORAN_MAP_MODE_JPG_PLAY; - - zr->buffer_size = zoran_v4l2_calc_bufsize(&zr->jpg_settings); - - /* tell the user what we actually did */ - fmt->fmt.pix.width = settings.img_width / settings.hor_dcm; - fmt->fmt.pix.height = settings.img_height * 2 / - (settings.tmp_dcm * settings.ver_dcm); - if (settings.tmp_dcm == 1) - fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? - V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT); - else - fmt->fmt.pix.field = (zr->jpg_settings.odd_even ? - V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); - fmt->fmt.pix.bytesperline = 0; - fmt->fmt.pix.sizeimage = zr->buffer_size; - fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - return res; -} - -static int zoran_s_fmt_vid_cap(struct file *file, void *__fh, - struct v4l2_format *fmt) -{ - struct zoran *zr = video_drvdata(file); - struct zoran_fh *fh = __fh; - int i; - int res = 0; - - if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) - return zoran_s_fmt_vid_out(file, fh, fmt); - - for (i = 0; i < NUM_FORMATS; i++) - if (fmt->fmt.pix.pixelformat == zoran_formats[i].fourcc) - break; - if (i == NUM_FORMATS) { - pci_err(zr->pci_dev, "VIDIOC_S_FMT - unknown/unsupported format 0x%x\n", - fmt->fmt.pix.pixelformat); - /* TODO do not return here to fix the TRY_FMT cannot handle an invalid pixelformat*/ - return -EINVAL; - } - - fmt->fmt.pix.pixelformat = zoran_formats[i].fourcc; - if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT) - fmt->fmt.pix.height = BUZ_MAX_HEIGHT; - if (fmt->fmt.pix.width > BUZ_MAX_WIDTH) - fmt->fmt.pix.width = BUZ_MAX_WIDTH; - if (fmt->fmt.pix.height < BUZ_MIN_HEIGHT) - fmt->fmt.pix.height = BUZ_MIN_HEIGHT; - if (fmt->fmt.pix.width < BUZ_MIN_WIDTH) - fmt->fmt.pix.width = BUZ_MIN_WIDTH; - - zr->map_mode = ZORAN_MAP_MODE_RAW; - - res = zoran_v4l_set_format(zr, fmt->fmt.pix.width, fmt->fmt.pix.height, - &zoran_formats[i]); - if (res) - return res; - - /* tell the user the results/missing stuff */ - fmt->fmt.pix.bytesperline = zr->v4l_settings.bytesperline; - fmt->fmt.pix.sizeimage = zr->buffer_size; - fmt->fmt.pix.colorspace = zr->v4l_settings.format->colorspace; - if (BUZ_MAX_HEIGHT < (zr->v4l_settings.height * 2)) - fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; - else - fmt->fmt.pix.field = V4L2_FIELD_TOP; - return res; -} - -static int zoran_g_std(struct file *file, void *__fh, v4l2_std_id *std) -{ - struct zoran *zr = video_drvdata(file); - - *std = zr->norm; - return 0; -} - -static int zoran_s_std(struct file *file, void *__fh, v4l2_std_id std) -{ - struct zoran *zr = video_drvdata(file); - int res = 0; - - if (zr->running != ZORAN_MAP_MODE_NONE) - return -EBUSY; - - res = zoran_set_norm(zr, std); - return res; -} - -static int zoran_enum_input(struct file *file, void *__fh, - struct v4l2_input *inp) -{ - struct zoran *zr = video_drvdata(file); - - if (inp->index >= zr->card.inputs) - return -EINVAL; - - strscpy(inp->name, zr->card.input[inp->index].name, sizeof(inp->name)); - inp->type = V4L2_INPUT_TYPE_CAMERA; - inp->std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM; - - /* Get status of video decoder */ - decoder_call(zr, video, g_input_status, &inp->status); - return 0; -} - -static int zoran_g_input(struct file *file, void *__fh, unsigned int *input) -{ - struct zoran *zr = video_drvdata(file); - - *input = zr->input; - - return 0; -} - -static int zoran_s_input(struct file *file, void *__fh, unsigned int input) -{ - struct zoran *zr = video_drvdata(file); - int res; - - if (zr->running != ZORAN_MAP_MODE_NONE) - return -EBUSY; - - res = zoran_set_input(zr, input); - return res; -} - -#if 0 -/* TODO: output does not work yet */ -static int zoran_enum_output(struct file *file, void *__fh, - struct v4l2_output *outp) -{ - if (outp->index != 0) - return -EINVAL; - - outp->index = 0; - outp->type = V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY; - outp->std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM; - outp->capabilities = V4L2_OUT_CAP_STD; - strscpy(outp->name, "Autodetect", sizeof(outp->name)); - - return 0; -} -static int zoran_g_output(struct file *file, void *__fh, unsigned int *output) -{ - *output = 0; - - return 0; -} - -static int zoran_s_output(struct file *file, void *__fh, unsigned int output) -{ - if (output != 0) - return -EINVAL; - - return 0; -} -#endif - -/* cropping (sub-frame capture) */ -static int zoran_g_selection(struct file *file, void *__fh, struct v4l2_selection *sel) -{ - struct zoran *zr = video_drvdata(file); - - if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && - sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - pci_err(zr->pci_dev, "%s invalid selection type combination\n", __func__); - return -EINVAL; - } - - switch (sel->target) { - case V4L2_SEL_TGT_CROP: - sel->r.top = zr->jpg_settings.img_y; - sel->r.left = zr->jpg_settings.img_x; - sel->r.width = zr->jpg_settings.img_width; - sel->r.height = zr->jpg_settings.img_height; - break; - case V4L2_SEL_TGT_CROP_DEFAULT: - sel->r.top = 0; - sel->r.left = 0; - sel->r.width = BUZ_MIN_WIDTH; - sel->r.height = BUZ_MIN_HEIGHT; - break; - case V4L2_SEL_TGT_CROP_BOUNDS: - sel->r.top = 0; - sel->r.left = 0; - sel->r.width = BUZ_MAX_WIDTH; - sel->r.height = BUZ_MAX_HEIGHT; - break; - default: - return -EINVAL; - } - return 0; -} - -static int zoran_s_selection(struct file *file, void *__fh, struct v4l2_selection *sel) -{ - struct zoran *zr = video_drvdata(file); - struct zoran_jpg_settings settings; - int res; - - if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && - sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if (!sel->r.width || !sel->r.height) - return -EINVAL; - - if (sel->target != V4L2_SEL_TGT_CROP) - return -EINVAL; - - if (zr->map_mode == ZORAN_MAP_MODE_RAW) { - pci_err(zr->pci_dev, "VIDIOC_S_SELECTION - subcapture only supported for compressed capture\n"); - return -EINVAL; - } - - settings = zr->jpg_settings; - - /* move into a form that we understand */ - settings.img_x = sel->r.left; - settings.img_y = sel->r.top; - settings.img_width = sel->r.width; - settings.img_height = sel->r.height; - - /* check validity */ - res = zoran_check_jpg_settings(zr, &settings, 0); - if (res) - return res; - - /* accept */ - zr->jpg_settings = settings; - return res; -} - -static int zoran_g_parm(struct file *file, void *priv, struct v4l2_streamparm *parm) -{ - if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - return 0; -} - -/* - * Output is disabled temporarily - * Zoran is picky about jpeg data it accepts. At least it seems to unsupport COM and APPn. - * So until a way to filter data will be done, disable output. - */ -static const struct v4l2_ioctl_ops zoran_ioctl_ops = { - .vidioc_querycap = zoran_querycap, - .vidioc_g_parm = zoran_g_parm, - .vidioc_s_selection = zoran_s_selection, - .vidioc_g_selection = zoran_g_selection, - .vidioc_enum_input = zoran_enum_input, - .vidioc_g_input = zoran_g_input, - .vidioc_s_input = zoran_s_input, -/* .vidioc_enum_output = zoran_enum_output, - .vidioc_g_output = zoran_g_output, - .vidioc_s_output = zoran_s_output,*/ - .vidioc_g_std = zoran_g_std, - .vidioc_s_std = zoran_s_std, - .vidioc_create_bufs = vb2_ioctl_create_bufs, - .vidioc_reqbufs = vb2_ioctl_reqbufs, - .vidioc_querybuf = vb2_ioctl_querybuf, - .vidioc_qbuf = vb2_ioctl_qbuf, - .vidioc_dqbuf = vb2_ioctl_dqbuf, - .vidioc_expbuf = vb2_ioctl_expbuf, - .vidioc_streamon = vb2_ioctl_streamon, - .vidioc_streamoff = vb2_ioctl_streamoff, - .vidioc_enum_fmt_vid_cap = zoran_enum_fmt_vid_cap, -/* .vidioc_enum_fmt_vid_out = zoran_enum_fmt_vid_out,*/ - .vidioc_g_fmt_vid_cap = zoran_g_fmt_vid_cap, -/* .vidioc_g_fmt_vid_out = zoran_g_fmt_vid_out,*/ - .vidioc_s_fmt_vid_cap = zoran_s_fmt_vid_cap, -/* .vidioc_s_fmt_vid_out = zoran_s_fmt_vid_out,*/ - .vidioc_try_fmt_vid_cap = zoran_try_fmt_vid_cap, -/* .vidioc_try_fmt_vid_out = zoran_try_fmt_vid_out,*/ - .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, - .vidioc_unsubscribe_event = v4l2_event_unsubscribe, -}; - -static const struct v4l2_file_operations zoran_fops = { - .owner = THIS_MODULE, - .unlocked_ioctl = video_ioctl2, - .open = v4l2_fh_open, - .release = vb2_fop_release, - .read = vb2_fop_read, - .write = vb2_fop_write, - .mmap = vb2_fop_mmap, - .poll = vb2_fop_poll, -}; - -const struct video_device zoran_template = { - .name = ZORAN_NAME, - .fops = &zoran_fops, - .ioctl_ops = &zoran_ioctl_ops, - .release = &zoran_vdev_release, - .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, -}; - -static int zr_vb2_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, - unsigned int sizes[], struct device *alloc_devs[]) -{ - struct zoran *zr = vb2_get_drv_priv(vq); - unsigned int size = zr->buffer_size; - - pci_dbg(zr->pci_dev, "%s nbuf=%u nplanes=%u", __func__, *nbuffers, *nplanes); - - zr->buf_in_reserve = 0; - - if (*nbuffers < vq->min_buffers_needed) - *nbuffers = vq->min_buffers_needed; - - if (*nplanes) { - if (sizes[0] < size) - return -EINVAL; - else - return 0; - } - - *nplanes = 1; - sizes[0] = size; - - return 0; -} - -static void zr_vb2_queue(struct vb2_buffer *vb) -{ - struct zoran *zr = vb2_get_drv_priv(vb->vb2_queue); - struct zr_buffer *buf = vb2_to_zr_buffer(vb); - unsigned long flags; - - spin_lock_irqsave(&zr->queued_bufs_lock, flags); - list_add_tail(&buf->queue, &zr->queued_bufs); - zr->buf_in_reserve++; - spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); - if (zr->running == ZORAN_MAP_MODE_JPG_REC) - zoran_feed_stat_com(zr); - zr->queued++; -} - -static int zr_vb2_prepare(struct vb2_buffer *vb) -{ - struct zoran *zr = vb2_get_drv_priv(vb->vb2_queue); - - if (vb2_plane_size(vb, 0) < zr->buffer_size) - return -EINVAL; - zr->prepared++; - - return 0; -} - -int zr_set_buf(struct zoran *zr) -{ - struct zr_buffer *buf; - struct vb2_v4l2_buffer *vbuf; - dma_addr_t phys_addr; - unsigned long flags; - u32 reg; - - if (zr->running == ZORAN_MAP_MODE_NONE) - return 0; - - if (zr->inuse[0]) { - buf = zr->inuse[0]; - buf->vbuf.vb2_buf.timestamp = ktime_get_ns(); - buf->vbuf.sequence = zr->vbseq++; - vbuf = &buf->vbuf; - - buf->vbuf.field = V4L2_FIELD_INTERLACED; - vb2_set_plane_payload(&buf->vbuf.vb2_buf, 0, zr->buffer_size); - vb2_buffer_done(&buf->vbuf.vb2_buf, VB2_BUF_STATE_DONE); - zr->inuse[0] = NULL; - } - - spin_lock_irqsave(&zr->queued_bufs_lock, flags); - if (list_empty(&zr->queued_bufs)) { - btand(~ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); - vb2_queue_error(zr->video_dev->queue); - spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); - return -EINVAL; - } - buf = list_first_entry_or_null(&zr->queued_bufs, struct zr_buffer, queue); - if (!buf) { - btand(~ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); - vb2_queue_error(zr->video_dev->queue); - spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); - return -EINVAL; - } - list_del(&buf->queue); - spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); - - vbuf = &buf->vbuf; - vbuf->vb2_buf.state = VB2_BUF_STATE_ACTIVE; - phys_addr = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 0); - - if (!phys_addr) - return -EINVAL; - - zr->inuse[0] = buf; - - reg = phys_addr; - btwrite(reg, ZR36057_VDTR); - if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) - reg += zr->v4l_settings.bytesperline; - btwrite(reg, ZR36057_VDBR); - - reg = 0; - if (zr->v4l_settings.height > BUZ_MAX_HEIGHT / 2) - reg += zr->v4l_settings.bytesperline; - reg = (reg << ZR36057_VSSFGR_DISP_STRIDE); - reg |= ZR36057_VSSFGR_VID_OVF; - reg |= ZR36057_VSSFGR_SNAP_SHOT; - reg |= ZR36057_VSSFGR_FRAME_GRAB; - btwrite(reg, ZR36057_VSSFGR); - - btor(ZR36057_VDCR_VID_EN, ZR36057_VDCR); - return 0; -} - -static int zr_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) -{ - struct zoran *zr = vq->drv_priv; - int j; - - for (j = 0; j < BUZ_NUM_STAT_COM; j++) { - zr->stat_com[j] = cpu_to_le32(1); - zr->inuse[j] = NULL; - } - - if (zr->map_mode != ZORAN_MAP_MODE_RAW) { - pci_info(zr->pci_dev, "START JPG\n"); - zr36057_restart(zr); - zoran_init_hardware(zr); - if (zr->map_mode == ZORAN_MAP_MODE_JPG_REC) - zr36057_enable_jpg(zr, BUZ_MODE_MOTION_DECOMPRESS); - else - zr36057_enable_jpg(zr, BUZ_MODE_MOTION_COMPRESS); - zoran_feed_stat_com(zr); - jpeg_start(zr); - zr->running = zr->map_mode; - btor(ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); - return 0; - } - - pci_info(zr->pci_dev, "START RAW\n"); - zr36057_restart(zr); - zoran_init_hardware(zr); - - zr36057_enable_jpg(zr, BUZ_MODE_IDLE); - zr36057_set_memgrab(zr, 1); - zr->running = zr->map_mode; - btor(ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); - return 0; -} - -static void zr_vb2_stop_streaming(struct vb2_queue *vq) -{ - struct zoran *zr = vq->drv_priv; - struct zr_buffer *buf; - unsigned long flags; - int j; - - btand(~ZR36057_ICR_INT_PIN_EN, ZR36057_ICR); - if (zr->map_mode != ZORAN_MAP_MODE_RAW) - zr36057_enable_jpg(zr, BUZ_MODE_IDLE); - zr36057_set_memgrab(zr, 0); - zr->running = ZORAN_MAP_MODE_NONE; - - zoran_set_pci_master(zr, 0); - - if (!pass_through) { /* Switch to color bar */ - decoder_call(zr, video, s_stream, 0); - encoder_call(zr, video, s_routing, 2, 0, 0); - } - - for (j = 0; j < BUZ_NUM_STAT_COM; j++) { - zr->stat_com[j] = cpu_to_le32(1); - if (!zr->inuse[j]) - continue; - buf = zr->inuse[j]; - pci_dbg(zr->pci_dev, "%s clean buf %d\n", __func__, j); - vb2_buffer_done(&buf->vbuf.vb2_buf, VB2_BUF_STATE_ERROR); - zr->inuse[j] = NULL; - } - - spin_lock_irqsave(&zr->queued_bufs_lock, flags); - while (!list_empty(&zr->queued_bufs)) { - buf = list_entry(zr->queued_bufs.next, struct zr_buffer, queue); - list_del(&buf->queue); - vb2_buffer_done(&buf->vbuf.vb2_buf, VB2_BUF_STATE_ERROR); - zr->buf_in_reserve--; - } - spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); - if (zr->buf_in_reserve) - pci_err(zr->pci_dev, "Buffer remaining %d\n", zr->buf_in_reserve); - zr->map_mode = ZORAN_MAP_MODE_RAW; -} - -static const struct vb2_ops zr_video_qops = { - .queue_setup = zr_vb2_queue_setup, - .buf_queue = zr_vb2_queue, - .buf_prepare = zr_vb2_prepare, - .start_streaming = zr_vb2_start_streaming, - .stop_streaming = zr_vb2_stop_streaming, - .wait_prepare = vb2_ops_wait_prepare, - .wait_finish = vb2_ops_wait_finish, -}; - -int zoran_queue_init(struct zoran *zr, struct vb2_queue *vq) -{ - int err; - - spin_lock_init(&zr->queued_bufs_lock); - INIT_LIST_HEAD(&zr->queued_bufs); - - vq->dev = &zr->pci_dev->dev; - vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - vq->io_modes = VB2_USERPTR | VB2_DMABUF | VB2_MMAP | VB2_READ | VB2_WRITE; - vq->drv_priv = zr; - vq->buf_struct_size = sizeof(struct zr_buffer); - vq->ops = &zr_video_qops; - vq->mem_ops = &vb2_dma_contig_memops; - vq->gfp_flags = GFP_DMA32; - vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - vq->min_buffers_needed = 9; - vq->lock = &zr->lock; - err = vb2_queue_init(vq); - if (err) - return err; - zr->video_dev->queue = vq; - return 0; -} - -void zoran_queue_exit(struct zoran *zr) -{ - vb2_queue_release(zr->video_dev->queue); -} |